I would argue that nothing gives life more purpose than the realization that every moment of consciousness is a precious and fragile gift.

People today sometimes get uncomfortable with empirical claims that seem to clash with their political assumptions, often because they haven't given much thought to the connections.

One of the things that people complain about is loneliness, disconnectedness. If you live in a society where your life is rarely threatened and most of your relationships are more on an economic exchange basis, then this could leave people feeling less connected.

By all measures men are the more violent gender.

Of course the theory of evolution would be vacuous if it offered a glib explanation for every inexplicable act.

We instinctively fear snakes, but we appear not to be afraid of fast cars, which are a real danger now. This suggests our emotions were shaped by our evolutionary environment not the one we grew up in.

With violence, as with so many other concerns, human nature is the problem, but human nature is also the solution.